These are volcanoes so explosive that they burst open in a single big crack.
这些火山爆炸性极强，爆发瞬间出现了一道大裂缝。
The problem of a single parallel crack near a circular inclusion was also studied.
最后对圆形夹杂附近单平行裂纹问题进行了研究。
The single lap joint fails when the crack length reaches to the critical size.
当裂纹扩展到临界尺寸时，接头会迅速破坏。
The single lap joint fails when the crack length reaches to the critical size.
当裂纹扩展到临界尺寸时，接头会迅速破坏。
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